7 december 2017 12:34:02

Serena Williams asked mums on Twitter how long they breastfed their babies, as the thought of stopping made her feel `emotional`. The new mum, 36, asked the question alongside a tender snap of her cradling her daughter Alexis Olympia Ohanian Jr. who was born on 1 September. `Fellow mums: How long did you breastfeed?` she tweeted on 6 December. `Is it weird that I get emotional when I even just think...